Bobbin



F. MOSSBERG BOBBIN Filed Nov. 27. 1923 31a/vento@ Patented Oct. 27, 1925.

UNITED VSTATE-sl 1,558,561 PATENT' orifice.v

FRANK HOSSBERG, OF ATTLEBORO, MASSACHUSETTS, ASSIGNOR T0 MOSSBERG IRESSED STEEL CORPORATION',- 0F ATTLEBQRO, MASSACHUSETTS, A CORPORATION 0F MASSACHUSETS.

BOBBIN.

Application ledNovember 27, 1923. Serial o. 677,311.

To all 11k/:0m if may eminem:

Be it known that I. FRANK Mossel-mo. a citizen of the United States. residing at Attleboro. in the county of Bristol and State of Massachusetts. have invented certain new and useful Improvements in Bobbins, of which the following is a specification.

This invention relates to an improved construction of yarn package holder, such package being usually in the form of a cop or bobbin and the holder being more particularly employed for supporting a package on a carrier in a braldlng machine; and the object of this invention is to provide a package holder of simple and practical construction having resilient means on its body portion for yieldingly gripping or binding a cop or bobbin tube when positioned thereon to prevent the bobbin from relative rotation.

IVith these and other objects in view, the invention consists of certain novel features of construction. as will be more fully described, and particularly pointed out in the appended claims.

In the accompanying drawings,

Figure 1 is a side elevation showing a cop in section as positioned on my improved holder.

Figure 2 shows a piece of sheet metal cut,

to provide longitudinal ribs therein and adapted to be folded or shaped to form a bulbous sleeve with bow-shaped ribs.

Figure 3 shows the metal strip as folded or bent into the desired shape.

Figure 4 is a plan view of the holder with the sleeves on the bodv portion thereof.

Figure 5 shows a modied construction wherein a strip of metal is split'to form ribs or fingers thereon which are joined. together at one end only.

Figure 6 illustrates the strip of metal as bent into sleeve form.

Figure 7 illustrates a pair of these sleeves of modified construction, as being mounted Aon the body portion of a yarn package holder.

Figure 8 is another modified construction illustrating the sleeves as formed of wire bent into" helical coils to provide circular ribsfor yieldably gripping and retaining the package tube on the holder.

It is found in practice of advantage to provide in a yarn package holder means for vieldingly gripping the interior surface of the paper rop tube of the yarn package so as to prevent it from rotating on the bobbin during the drawing of the yarn therefrom and also to permit the cop to be quickly positioned on the bobbin and as 'readily withdrawn therefron'i when desired; and the following is a detailed description of means whereby these advantageous results may be accomplished f' With reference to the drawings, l0 designates the base or head of my improved holder which may be in any desired form, the same being usually provided with teeth 11 or other means to be engaged by the latch of the braider carrier.

'.lhis head is provided with a body ortion 12 preferably constructed of s eet metal folded or rolled into tubular form with one of its -ends securelyheld by brazing or other suitable means into said head.

In order to provide resilient or flexible means on this body portion for yieldingly gripping the cop tube when positioned thereon, I have cut a strip of metal from sheet stock as best illustrated in Figure 2, and in this strip of metal I have formed a multiplicity of longitudinally-disposed, spacedapart ribs or arms 13 connected at their top and bottom ends to the framework of the strip.

This strip of metal is then bent into sleeve form and the arms or ribs are bowed outwardly as best illustrated in Figure 3, forming a bulbous body with collars 14 and 15 at its upper and lower ends to which the opposite ends of these arms or ribs 13 are connected. I next secure a pair of these sleeves to the tubular bodv 12 of the holder preferably in spaced-apart relation, that is, one being near the upper end ofthe body and the other being near the bottom or head end ofthe tube. i

Each of these sleeves is fastened to the body portion in such a manner that the positioning and removing of the cop from the bobbin may be readily eiected. I may fasten as by brazing one end of the sleeve to the body and leave the opposite end loose and free to receive a relative movement on the body as the arms are contracted and expanded due to the positioning and removing of the cop tube 16 on `which is wound the yarn 17. lI also may secure the sleeve upon the body portion b providing short slots or grooves as 21 andy 22 in the body portion and forming detents 23 and 24 on the linner surface of the sleeve for projecting into these slots 21 and 22. The slots or grooves being so spaced apart that the detent 23 on the end of the sleeve will engage the end 25 of the slot 21 upon the position of the cop on the bobbin before the detent 24 on the inner end of the sleeve engages the end 26 of the slot 22, thereby leaving room for the lengthening of the sleeve. When the cop is removed the reverse action is true the inner end of the sleeve being held by detent 24 permitting the outer end ofthe sleeve to lengthen longitudinally. By this construction, it will be seen that the positioning or removing of the cop will tend to/lengthen the sleeve longitudinally and decrease its diameter thereby facilitating the positioninfr or removing of the cop.

y this construction of mounting these sleeves in spaced-apart relation on the tubular body of the holder the device is made strong and durable and yet is provided flexibility necessary for the secure fastening of the yarn package on the holder.

- Instead of connecting these ribs at both ends as above described, in some cases I split the strip andform a sleeve as illustrated in Figures 5, 6 and 7, in which the lower ends 18 of the ribs"19 are free or disconnected from each otherl In still otheiy/cases, I coil a wire 2O into a sleeve form as best illustrated in Figure 8 and secure one end 27 of each coil to the body 12.

By this construction of resilient sleeve of wire coils the ends of the sleeve are caused to expand when the cop tube is given a relative rotating motion in one direction, and is caused to contract by a relative rotation in the opposite direction whereby the clinging or gripping effect of the sleeve upon the package tube may be adjusted somewhat.

My improved yarn package holder is ver simple and practical in construction and e fective in its operation and by its use a yarn ackage may be quickly positioned thereon, iield firmly in that position and as quickly removed when desired.

The foregoing description is directed p on said bod solely towards the construction illustrated. but I desire it to be understood that I reserve the privilege of resorting to all the mechanical changes to which the device is susceptible, the invent-ion being defined and limited only by the terms of the appended claims.

I claim:

1. A yarn package holder having a spindle, a pair of spaced sheet metal sleeves thereon each having one end secured to said spindle and each having a plurality of spring ribs for en aging and yieldingly securing a yarn pac age to the spindle.

2. A yarn package holder having a spindle, a 'head secured to one end thereof, a pair of sheet metal sleeves arranged in spaced relation along the length of said spindle and each having one end secured thereto and each sleeve having spaced spring bow-shaped ribs for engaging and yieldingly securing a yarn package to the holder.

3. A yarn package holder comprising a bod portion formed of a pair of spaced pac ages gripping sleeves, each having -resilient bow-s apedfribs, a tubular member connecting said sleeves, a head-member, and means for connecting said sleeves to said v head.

4. A yarn package holder having a tubular body portion, a head secured to one end thereof, and a air of sleeves on said body portion locate adjacent the opposite ends thereof, each having yielding ribs for securing a yarn package on said holder.

5. A yarn package holder having a tubular body portion, a head secured to one end thereof, and a pair of spaced sleeves gortion, each having spaced longitudinal yisposed yielding bow-shaped ribs for securing a yarn package on said holder.

6. A yarn package holder having a tubular body portion with slots therein, a head secured to one end thereof, a sleeve secured at-one end to said body and free at its opposite end, a projection on said free end slidable in said slot, said sleeve having longitudinally-disposed bow-sliaped resilient ribs for engaging and yieldingly retaining a yarn package thereon.

In testimony whereof I aiix my signature.

FRANK MOSSBERG. 

